Table 3.

Clonality of the MRSA clinical isolates from HSJ (Lisbon, Portugal)

Yr (n) and isolate no.mecA::Tn554:: PFGERAPD ERIC1/ERIC2No. of isolatesClonal type (n[%])Resistance to drugd:
SPCSXT
1995 (36)
 93aI::E::A1AA1
 13,a 18,a 20, 29, 33, 46,a 52, 84, 96,a103, 110,a153I::E::A2AA12I::E::A (17 [47])RS
 73,a 115,a118I::E::A3AA3
 4aI::E::A8AA1
 138aI::NH::A4AA1I::NH::A (1 [3])SS
 99aI::J::A2AA1I::J::A (1 [3])RS
 7,a 10, 11, 15, 17,a 56,a 60, 63,a 80,a 83, 114, 126,a,b 127, 131a,bXI::B::B1A′D14
 24, 87aXI::B::B2A′D2XI::B::B (17 [47])SR
 6aXI::B::B3A′D1
1996 (36)
 162,a163,a 164, 169,a 175, 188, 192, 200, 205, 206, 207, 209, 210, 212I::E::A2AA14
 171,a 203, 211I::E::A5AA3I::E::A (18 [50])RS
 180aI::E::A10AA1
 160aI::J::A2AA1I::J::A (1 [3])RS
 159aI::DD::A6AA1I::DD::A (1 [3])RS
 201aII::DD::A7AA1II::DD::A (1 [3])SS
 173aI::μμ::A12AA1I::μμ::A (1 [3])RS
 185aI::νν::A11AA1I::νν::A (1 [3])RS
 161,a,b 170, 174,a 176, 178, 183, 187,c191aXI::B::B1A′D8XI::B::B (12 [33])SR
 167,a,c199,c213XI::B::B5A′D3
 204a,cXI::B::B6A′D1
 172aXI::κ::B4A′D1XI::κ::B (1 [3])RR
1997 (19)
 221, 224I::E::A12
 220, 249, 251, 256I::E::A24I::E::A (8 [42])RS
 225I::E::A51
 255I::E::A81
 219aI::DD::A9AA1I::DD::A (1 [5])RR
 216, 217,b 218, 222,a,c 226,c234,c253cXI::B::B17
 254XI::B::B21XI::B::B (10 [53])SR
 230bXI::B::B51
 227XI::B::B71
  • a Isolate assayed by RAPD.

  • b Exception: intermediately resistant to spectinomycin.

  • c Exception: resistant to spectinomycin.

  • d SPC, spectinomycin; R, resistant; S, susceptible.